Precision Instruments PRED2F150HM Torque Wrench (3/8" Drive Dial-Type with Memory Pointer 150 lb. in.) Patented Torsion bar design ensures the most accurate wrench possible Dial Type wrenches are not hand hold sensitive meaning that hand position does not affect accuracy Accurate to within 2% of the reading in both clockwise and counterclockwise direction Memory needle records peak torque for each application